Question: Performance data for a 21-in-diameter air blower running at 3550 rpm are shown below. What is the specific speed? How does the performance compare with

Performance data for a 21-in-diameter air blower running at 3550 rpm are shown below. What is the specific speed? How does the performance compare with Fig. 11.13? What are Q H P C*, C*, C*?

30 28 21 10 Ap, in H2O: Q. ft/min bhp 29 500 1000 2000 3000 4000 18 25 12

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